books.google.com.ar - Modesty, humor, compassion, and wisdom are the traits most evident in these personal papers, most of them never before published, from the Einstein archives. The illustrious physicist wrote as thoughtfully to an Ohio fifth-grader, distressed by her discovery that scientists classify humans as animals,...https://books.google.com.ar/books/about/Albert_Einstein_the_Human_Side.html?id=T5R7JsRRtoIC&utm_source=gb-gplus-shareAlbert Einstein, the Human Side